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<div class="header">
  <div class="headertitle"><div class="title">__I2C_HandleTypeDef Struct Reference<div class="ingroups"><a class="el" href="group___s_t_m32_h7xx___h_a_l___driver.html">STM32H7xx_HAL_Driver</a> &raquo; <a class="el" href="group___i2_c.html">I2C</a> &raquo; <a class="el" href="group___i2_c___exported___types.html">I2C Exported Types</a> &raquo; <a class="el" href="group___i2_c__handle___structure__definition.html">I2C handle Structure definition</a></div></div></div>
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<tr class="heading"><td colspan="2"><h2 id="header-pub-attribs" class="groupheader"><a id="pub-attribs" name="pub-attribs"></a>
Public Attributes</h2></td></tr>
<tr class="memitem:a080380e6051dd88c3a88c24aad4b10c0" id="r_a080380e6051dd88c3a88c24aad4b10c0"><td class="memItemLeft" align="right" valign="top"><a class="el" href="struct_i2_c___type_def.html">I2C_TypeDef</a> *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a080380e6051dd88c3a88c24aad4b10c0">Instance</a></td></tr>
<tr class="memitem:a8e665bc833889975a33b10bebeab5db2" id="r_a8e665bc833889975a33b10bebeab5db2"><td class="memItemLeft" align="right" valign="top"><a class="el" href="struct_i2_c___init_type_def.html">I2C_InitTypeDef</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a8e665bc833889975a33b10bebeab5db2">Init</a></td></tr>
<tr class="memitem:af699cc26b19f28b9215d3d4a167f068e" id="r_af699cc26b19f28b9215d3d4a167f068e"><td class="memItemLeft" align="right" valign="top">uint8_t *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#af699cc26b19f28b9215d3d4a167f068e">pBuffPtr</a></td></tr>
<tr class="memitem:a1b8a62241b4c22d97af542186cef0c39" id="r_a1b8a62241b4c22d97af542186cef0c39"><td class="memItemLeft" align="right" valign="top">uint16_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a1b8a62241b4c22d97af542186cef0c39">XferSize</a></td></tr>
<tr class="memitem:a314305a14bb912531cfc3c5f87291777" id="r_a314305a14bb912531cfc3c5f87291777"><td class="memItemLeft" align="right" valign="top"><a class="el" href="core__armv81mml_8h.html#aec43007d9998a0a0e01faede4133d6be">__IO</a> uint16_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a314305a14bb912531cfc3c5f87291777">XferCount</a></td></tr>
<tr class="memitem:a5d3ace2bbb83f44d4fe3df47fa42bb90" id="r_a5d3ace2bbb83f44d4fe3df47fa42bb90"><td class="memItemLeft" align="right" valign="top"><a class="el" href="core__armv81mml_8h.html#aec43007d9998a0a0e01faede4133d6be">__IO</a> uint32_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a5d3ace2bbb83f44d4fe3df47fa42bb90">XferOptions</a></td></tr>
<tr class="memitem:a028d3e824c01ccc6c9a23bb5802e3313" id="r_a028d3e824c01ccc6c9a23bb5802e3313"><td class="memItemLeft" align="right" valign="top"><a class="el" href="core__armv81mml_8h.html#aec43007d9998a0a0e01faede4133d6be">__IO</a> uint32_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a028d3e824c01ccc6c9a23bb5802e3313">PreviousState</a></td></tr>
<tr class="memitem:a27f4f768395d68659c29ba55727182a2" id="r_a27f4f768395d68659c29ba55727182a2"><td class="memItemLeft" align="right" valign="top"><a class="el" href="stm32h7xx__hal__def_8h.html#a63c0679d1cb8b8c684fbb0632743478f">HAL_StatusTypeDef</a>(*&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a27f4f768395d68659c29ba55727182a2">XferISR</a> )(struct <a class="el" href="struct_____i2_c___handle_type_def.html">__I2C_HandleTypeDef</a> *hi2c, uint32_t ITFlags, uint32_t ITSources)</td></tr>
<tr class="memitem:ad8f3153daebc780294797b448decb190" id="r_ad8f3153daebc780294797b448decb190"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group___d_m_a___exported___types.html#ga41b754a906b86bce54dc79938970138b">DMA_HandleTypeDef</a> *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#ad8f3153daebc780294797b448decb190">hdmatx</a></td></tr>
<tr class="memitem:a52dcaac577eef13388d209f3f5a6a4b9" id="r_a52dcaac577eef13388d209f3f5a6a4b9"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group___d_m_a___exported___types.html#ga41b754a906b86bce54dc79938970138b">DMA_HandleTypeDef</a> *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a52dcaac577eef13388d209f3f5a6a4b9">hdmarx</a></td></tr>
<tr class="memitem:a96ba2c1a4eee1bbbe791b29e81c4c013" id="r_a96ba2c1a4eee1bbbe791b29e81c4c013"><td class="memItemLeft" align="right" valign="top"><a class="el" href="stm32h7xx__hal__def_8h.html#ab367482e943333a1299294eadaad284b">HAL_LockTypeDef</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a96ba2c1a4eee1bbbe791b29e81c4c013">Lock</a></td></tr>
<tr class="memitem:a3421cd62d9e34c4a5ff1706916c8ae7a" id="r_a3421cd62d9e34c4a5ff1706916c8ae7a"><td class="memItemLeft" align="right" valign="top"><a class="el" href="core__armv81mml_8h.html#aec43007d9998a0a0e01faede4133d6be">__IO</a> <a class="el" href="group___h_a_l__state__structure__definition.html#gaef355af8eab251ae2a19ee164ad81c37">HAL_I2C_StateTypeDef</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a3421cd62d9e34c4a5ff1706916c8ae7a">State</a></td></tr>
<tr class="memitem:a9e1687f431eaba605b2ae49c1e3ff641" id="r_a9e1687f431eaba605b2ae49c1e3ff641"><td class="memItemLeft" align="right" valign="top"><a class="el" href="core__armv81mml_8h.html#aec43007d9998a0a0e01faede4133d6be">__IO</a> <a class="el" href="group___h_a_l__mode__structure__definition.html#gabcbb7b844f2ffd63c4e530c117882062">HAL_I2C_ModeTypeDef</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a9e1687f431eaba605b2ae49c1e3ff641">Mode</a></td></tr>
<tr class="memitem:a824099e364465827123cda831284f643" id="r_a824099e364465827123cda831284f643"><td class="memItemLeft" align="right" valign="top"><a class="el" href="core__armv81mml_8h.html#aec43007d9998a0a0e01faede4133d6be">__IO</a> uint32_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a824099e364465827123cda831284f643">ErrorCode</a></td></tr>
<tr class="memitem:ac46ddd083fcc3901fa63c96387243c25" id="r_ac46ddd083fcc3901fa63c96387243c25"><td class="memItemLeft" align="right" valign="top"><a class="el" href="core__armv81mml_8h.html#aec43007d9998a0a0e01faede4133d6be">__IO</a> uint32_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#ac46ddd083fcc3901fa63c96387243c25">AddrEventCount</a></td></tr>
<tr class="memitem:a7517a9738c41067d8facfb4dea6f4ff3" id="r_a7517a9738c41067d8facfb4dea6f4ff3"><td class="memItemLeft" align="right" valign="top"><a class="el" href="core__armv81mml_8h.html#aec43007d9998a0a0e01faede4133d6be">__IO</a> uint32_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a7517a9738c41067d8facfb4dea6f4ff3">Devaddress</a></td></tr>
<tr class="memitem:a4261371469c7df0bc57a71949a7e1f75" id="r_a4261371469c7df0bc57a71949a7e1f75"><td class="memItemLeft" align="right" valign="top"><a class="el" href="core__armv81mml_8h.html#aec43007d9998a0a0e01faede4133d6be">__IO</a> uint32_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a4261371469c7df0bc57a71949a7e1f75">Memaddress</a></td></tr>
</table>
<a name="doc-variable-members" id="doc-variable-members"></a><h2 id="header-doc-variable-members" class="groupheader">Member Data Documentation</h2>
<a id="ac46ddd083fcc3901fa63c96387243c25" name="ac46ddd083fcc3901fa63c96387243c25"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ac46ddd083fcc3901fa63c96387243c25">&#9670;&#160;</a></span>AddrEventCount</h2>

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          <td class="memname"><a class="el" href="core__armv81mml_8h.html#aec43007d9998a0a0e01faede4133d6be">__IO</a> uint32_t __I2C_HandleTypeDef::AddrEventCount</td>
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<p>I2C Address Event counter </p>

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<a id="a7517a9738c41067d8facfb4dea6f4ff3" name="a7517a9738c41067d8facfb4dea6f4ff3"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a7517a9738c41067d8facfb4dea6f4ff3">&#9670;&#160;</a></span>Devaddress</h2>

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          <td class="memname"><a class="el" href="core__armv81mml_8h.html#aec43007d9998a0a0e01faede4133d6be">__IO</a> uint32_t __I2C_HandleTypeDef::Devaddress</td>
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<p>I2C Target device address </p>

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<a id="a824099e364465827123cda831284f643" name="a824099e364465827123cda831284f643"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a824099e364465827123cda831284f643">&#9670;&#160;</a></span>ErrorCode</h2>

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          <td class="memname"><a class="el" href="core__armv81mml_8h.html#aec43007d9998a0a0e01faede4133d6be">__IO</a> uint32_t __I2C_HandleTypeDef::ErrorCode</td>
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<p>I2C Error code </p>

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<a id="a52dcaac577eef13388d209f3f5a6a4b9" name="a52dcaac577eef13388d209f3f5a6a4b9"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a52dcaac577eef13388d209f3f5a6a4b9">&#9670;&#160;</a></span>hdmarx</h2>

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          <td class="memname"><a class="el" href="group___d_m_a___exported___types.html#ga41b754a906b86bce54dc79938970138b">DMA_HandleTypeDef</a>* __I2C_HandleTypeDef::hdmarx</td>
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<p>I2C Rx DMA handle parameters </p>

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<a id="ad8f3153daebc780294797b448decb190" name="ad8f3153daebc780294797b448decb190"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ad8f3153daebc780294797b448decb190">&#9670;&#160;</a></span>hdmatx</h2>

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<p>I2C Tx DMA handle parameters </p>

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<a id="a8e665bc833889975a33b10bebeab5db2" name="a8e665bc833889975a33b10bebeab5db2"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a8e665bc833889975a33b10bebeab5db2">&#9670;&#160;</a></span>Init</h2>

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          <td class="memname"><a class="el" href="struct_i2_c___init_type_def.html">I2C_InitTypeDef</a> __I2C_HandleTypeDef::Init</td>
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<p>I2C communication parameters </p>

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<a id="a080380e6051dd88c3a88c24aad4b10c0" name="a080380e6051dd88c3a88c24aad4b10c0"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a080380e6051dd88c3a88c24aad4b10c0">&#9670;&#160;</a></span>Instance</h2>

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          <td class="memname"><a class="el" href="struct_i2_c___type_def.html">I2C_TypeDef</a>* __I2C_HandleTypeDef::Instance</td>
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<p>I2C registers base address </p>

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<a id="a96ba2c1a4eee1bbbe791b29e81c4c013" name="a96ba2c1a4eee1bbbe791b29e81c4c013"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a96ba2c1a4eee1bbbe791b29e81c4c013">&#9670;&#160;</a></span>Lock</h2>

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          <td class="memname"><a class="el" href="stm32h7xx__hal__def_8h.html#ab367482e943333a1299294eadaad284b">HAL_LockTypeDef</a> __I2C_HandleTypeDef::Lock</td>
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<p>I2C locking object </p>

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<a id="a4261371469c7df0bc57a71949a7e1f75" name="a4261371469c7df0bc57a71949a7e1f75"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a4261371469c7df0bc57a71949a7e1f75">&#9670;&#160;</a></span>Memaddress</h2>

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          <td class="memname"><a class="el" href="core__armv81mml_8h.html#aec43007d9998a0a0e01faede4133d6be">__IO</a> uint32_t __I2C_HandleTypeDef::Memaddress</td>
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<p>I2C Target memory address </p>

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<a id="a9e1687f431eaba605b2ae49c1e3ff641" name="a9e1687f431eaba605b2ae49c1e3ff641"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a9e1687f431eaba605b2ae49c1e3ff641">&#9670;&#160;</a></span>Mode</h2>

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          <td class="memname"><a class="el" href="core__armv81mml_8h.html#aec43007d9998a0a0e01faede4133d6be">__IO</a> <a class="el" href="group___h_a_l__mode__structure__definition.html#gabcbb7b844f2ffd63c4e530c117882062">HAL_I2C_ModeTypeDef</a> __I2C_HandleTypeDef::Mode</td>
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<p>I2C communication mode </p>

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<h2 class="memtitle"><span class="permalink"><a href="#af699cc26b19f28b9215d3d4a167f068e">&#9670;&#160;</a></span>pBuffPtr</h2>

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          <td class="memname">uint8_t* __I2C_HandleTypeDef::pBuffPtr</td>
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<p>Pointer to I2C transfer buffer </p>

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<h2 class="memtitle"><span class="permalink"><a href="#a028d3e824c01ccc6c9a23bb5802e3313">&#9670;&#160;</a></span>PreviousState</h2>

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          <td class="memname"><a class="el" href="core__armv81mml_8h.html#aec43007d9998a0a0e01faede4133d6be">__IO</a> uint32_t __I2C_HandleTypeDef::PreviousState</td>
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<p>I2C communication Previous state </p>

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<h2 class="memtitle"><span class="permalink"><a href="#a3421cd62d9e34c4a5ff1706916c8ae7a">&#9670;&#160;</a></span>State</h2>

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<p>I2C communication state </p>

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<h2 class="memtitle"><span class="permalink"><a href="#a314305a14bb912531cfc3c5f87291777">&#9670;&#160;</a></span>XferCount</h2>

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<p>I2C transfer counter </p>

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<h2 class="memtitle"><span class="permalink"><a href="#a27f4f768395d68659c29ba55727182a2">&#9670;&#160;</a></span>XferISR</h2>

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          <td class="memname"><a class="el" href="stm32h7xx__hal__def_8h.html#a63c0679d1cb8b8c684fbb0632743478f">HAL_StatusTypeDef</a>(* __I2C_HandleTypeDef::XferISR) (struct <a class="el" href="struct_____i2_c___handle_type_def.html">__I2C_HandleTypeDef</a> *hi2c, uint32_t ITFlags, uint32_t ITSources)</td>
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<p>I2C transfer IRQ handler function pointer </p>

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<h2 class="memtitle"><span class="permalink"><a href="#a5d3ace2bbb83f44d4fe3df47fa42bb90">&#9670;&#160;</a></span>XferOptions</h2>

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          <td class="memname"><a class="el" href="core__armv81mml_8h.html#aec43007d9998a0a0e01faede4133d6be">__IO</a> uint32_t __I2C_HandleTypeDef::XferOptions</td>
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<p>I2C sequantial transfer options, this parameter can be a value of <a class="el" href="group___i2_c___x_f_e_r_o_p_t_i_o_n_s.html">I2C Sequential Transfer Options</a> </p>

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<h2 class="memtitle"><span class="permalink"><a href="#a1b8a62241b4c22d97af542186cef0c39">&#9670;&#160;</a></span>XferSize</h2>

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          <td class="memname">uint16_t __I2C_HandleTypeDef::XferSize</td>
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<p>I2C transfer size </p>

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<hr/>The documentation for this struct was generated from the following file:<ul>
<li>C:/Users/ASUS/Desktop/dm-ctrlH7-balance-9025test/Drivers/STM32H7xx_HAL_Driver/Inc/<a class="el" href="stm32h7xx__hal__i2c_8h_source.html">stm32h7xx_hal_i2c.h</a></li>
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